Message-Id:	<3.0.6.32.19990228124000.009a8130@pop.globalserve.net>
X-Sender:	derbyshire AT pop DOT globalserve DOT net
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Date:	Sun, 28 Feb 1999 12:40:00 -0500
To:	djgpp AT delorie DOT com
From:	Paul Derbyshire <pderbysh AT usa DOT net>
Subject:	Re: Is Allegro too slow for 648 * 480 double buffering ?
In-Reply-To:	<36d9629e.17499764@158.152.254.68>
Mime-Version:	1.0
Reply-To:	djgpp AT delorie DOT com

At 03:53 PM 2/28/99 GMT, you wrote:
>I wanted to avoid the "dirty rectangle list" route. can I do this with
>Allegro,, or have I to plunge in to the intricacies of Scitechs MGL 
>yet again.

Dirty rectangles? You can do darn near anything with allegro ;-)

Just track the rectangles with your own code, and use them to issue "blit"
instructions in allegro. Someone posted example code on the allegro list a
while back that does this.
-- 
   .*.  "Clouds are not spheres, mountains are not cones, coastlines are not
-()  <  circles, and bark is not smooth, nor does lightning travel in a
   `*'  straight line."    -------------------------------------------------
        -- B. Mandelbrot  |http://surf.to/pgd.net
_____________________ ____|________     Paul Derbyshire     pderbysh AT usa DOT net
Programmer & Humanist|ICQ: 10423848|

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